Предмет: Физика, автор: General228

Радiус колеса велосипеда - 0,4 м. Скiльки обертiв за хвилину робить колесо, якщо швидкiсть руху велосипеда становить 15,7 м/с?

Ответы

Автор ответа: dnepr1

Длина окружности колеса L = 2πR = 2*3,141593*0.4 =2,513274м.
За 1 секунду колесо делает число оборотов 1 5,7 / 2,513274 =6,246832, а за минуту 6,246832*60 = 374,8099.

Автор ответа: General228

Спасибо )

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